function showContent(linkid)

{ 

xmlHttp=GetXmlHttpObject()

if (xmlHttp==null)

 {

 alert ("Your browser does not support AJAX technology.\nConsider upgrading to a newer version.")

 return

 }

var url="dynamic.php"

url=url+"?content="+linkid

xmlHttp.onreadystatechange=stateChange 

xmlHttp.open("GET",url,true)

xmlHttp.send(null)

}

function stateChange() 

{ 

if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")

 { 

 document.getElementById("content").innerHTML=xmlHttp.responseText 

 } 

}

function GetXmlHttpObject()

{

var xmlHttp=null;

try

 {

 // Firefox, Opera 8.0+, Safari

 xmlHttp=new XMLHttpRequest();

 }

catch (e)

 {

 //Internet Explorer

 try

  {

  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

  }

 catch (e)

  {

  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

  }

 }

return xmlHttp;

}